package com.jsh.erp.exception;

import com.alibaba.fastjson.JSONObject;
import com.jsh.erp.constants.ExceptionConstants;
import com.jsh.erp.service.user.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;

import static com.jsh.erp.constants.ExceptionConstants.DEPOT_HEAD_OVER_DUE_CREDIT_LIMIT_CODE;

@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {

    @Autowired
    private UserService userService;


    @ExceptionHandler(value = Exception.class)
    @ResponseBody
    public Object handleException(Exception e, HttpServletRequest request) {
        JSONObject status = new JSONObject();

        // 针对业务参数异常的处理
        if (e instanceof BusinessParamCheckingException) {
            status.put(ExceptionConstants.GLOBAL_RETURNS_CODE, ((BusinessParamCheckingException) e).getCode());
            status.put(ExceptionConstants.GLOBAL_RETURNS_DATA, ((BusinessParamCheckingException) e).getData());
            return status;
        }

        //针对业务运行时异常的处理
        if (e instanceof BusinessRunTimeException) {
            int code = ((BusinessRunTimeException) e).getCode();
            status.put(ExceptionConstants.GLOBAL_RETURNS_CODE, ((BusinessRunTimeException) e).getCode());
            if (code == DEPOT_HEAD_OVER_DUE_CREDIT_LIMIT_CODE || code == ExceptionConstants.DEPOT_HEAD_OVER_DUE_DAY_CODE) {
                try {
                    String lang = userService.getCurrentUser().getLang();
                    if ("en_US".equals(lang)) {
                        HashMap<String, String> map = new HashMap<>(2);
                        map.put("message", ExceptionConstants.getEnMsg(code));
                        status.put(ExceptionConstants.GLOBAL_RETURNS_DATA, map);
                    } else {
                        status.put(ExceptionConstants.GLOBAL_RETURNS_DATA, ((BusinessRunTimeException) e).getData());
                    }
                } catch (Exception ex) {
                    log.error("Global Exception Occured getCurUser => url : {}", request.getRequestURL(), e);
                }
            } else {
                status.put(ExceptionConstants.GLOBAL_RETURNS_DATA, ((BusinessRunTimeException) e).getData());
            }
            return status;
        }

        status.put(ExceptionConstants.GLOBAL_RETURNS_CODE, ExceptionConstants.SERVICE_SYSTEM_ERROR_CODE);
        status.put(ExceptionConstants.GLOBAL_RETURNS_DATA, ExceptionConstants.SERVICE_SYSTEM_ERROR_MSG);
        log.error("Global Exception Occured => url : {}, msg : {}", request.getRequestURL(), e.getMessage());
        /**
         * 这里输出完整的堆栈信息，否则有些异常完全不知道哪里出错了。
         */
        log.error("Global Exception Occured => url : {}", request.getRequestURL(), e);
        return status;
    }
}
